Expandable file



FIG. 1 is a perspective view of the expandable file;

FIG. 2 is a front elevational view of the expandable file;

FIG. 3 is a rear elevational view of the expandable file;

FIG. 4 is a left side elevational view of the expandable file; and

FIG. 5 is a right side elevational view of the expandable file;

FIG. 6 is a top plan view of the expandable file; and,

FIG. 7 is a bottom plan view of the expandable file.

The portions of the figures in dashed lines in FIGS. 1-7 are included to show portions that form no part of the claimed design. 

The ornamental design for an expandable file, as shown and described. 